GM Storm/Spectrum 1985-1993 Repair Guide

Compressor

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REMOVAL & INSTALLATION



Spectrum

See Figure 1

  1. Disconnect the negative battery cable and properly discharge the refrigerant system.
  2.  
  3. Disconnect the clutch harness connector.
  4.  



Click image to see an enlarged view

Fig. Fig. 1: Compressor assembly - Spectrum

  1. Remove the connector attaching the pipes from the rear head of the compressor. Carefully handle the O-rings when removing the compressor.
  2.  
  3. Loosen the bolts attaching the compressor and remove the drive belt.
  4.  
  5. Remove the compressor attaching bolt, and remove the compressor.
  6.  

To install:
  1. Install the compressor and tighten the attaching bolt.
  2.  
  3. Install the drive belt. Adjust the belt to the correct tension and tighten the compressor mounting bolts.
  4.  
  5. Inspect the O-rings and replace if necessary. Connect the connector attaching the pipes to the rear head of the compressor.
  6.  
  7. Connect the clutch harness connector.
  8.  
  9. Connect the negative battery terminal.
  10.  

Storm

See Figure 2

  1. Disconnect the negative battery cable and properly discharge the refrigerant system.
  2.  
  3. Disconnect the compressor/power steering pump drive belt from the air conditioning compressor clutch pulley on the 1.6L engine.
  4.  



Click image to see an enlarged view

Fig. Fig. 2: Compressor assembly - Storm

  1. Loosen the power steering pump adjustment and pivot bolts.
  2.  
  3. Move the power steering pump toward the engine and remove the drive belt from pump and air conditioning compressor clutch pulleys.
  4.  
  5. Remove the serpentine drive belt by pulling up on the belt tension idler pulley with a breaker bar and removing the belt from the generator and air conditioning compressor clutch pulleys on the 1.8L engine.
  6.  
  7. Disconnect the air conditioning compressor clutch electrical connector.
  8.  
  9. Disconnect the discharge pipe from the compressor fitting by removing the bolt.
  10.  
  11. Disconnect the suction pipe from the compressor fitting by removing the bolt.
  12.  
  13. Raise and support the vehicle safely.
  14.  
  15. Remove the right lower splash shield.
  16.  
  17. Remove the upper and lower compressor mounting bolts and the compressor from the mounting bracket.
  18.  

To install:
  1. Install the compressor to the mounting bracket and secure with the upper and lower mounting bolts.
  2.  
  3. Install the right lower splash shield. Lower the vehicle.
  4.  
  5. Coat new O-rings with refrigerant oil and install the O-rings to the compressor fittings.
  6.  
  7. Connect the discharge pipe to the compressor fitting and tighten the bolt.
  8.  
  9. Connect the suction pipe to the compressor fitting and tighten the bolt.
  10.  
  11. Connect the air conditioning compressor clutch electrical connector.
  12.  
  13. Install the drive belt to the power steering pump and the air conditioning compressor clutch pulleys on the 1.6L engine. Tighten the power steering pump pivot and the adjustment bolt.
  14.  
  15. Install the serpentine drive belt to the generator and the air conditioning compressor clutch pulleys on the 1.8L engine.
  16.  
  17. Connect the negative battery cable.
  18.  
  19. Evacuate and charge the air conditioning system and check for leaks.
  20.  

 
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